06-09-2003 Council Packet - Laserfiche WebLink

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M0J-2M9 Ravil Real Estate June 5,2003 Page? Creek Watershed District and the City for development of this site for OfHce use under the PUD No. 2 approvals. Revised drainage calculations are required from the developer to confirm there are no drainage issues if the current proposal goes forward. The City Engineer has requested that a drainage area map and storm sewer calculations be provided by the applicants, as well as evidence that the downstream storm sewer has the capacity to serve the proposed use. Potential runoff impacts to the adjoining property to the immediate west should be addressed (applicant’s intent is to have no impacts on that property). D. Topography Impacts Building Exposures . Lx>t 1 is significantly higher than the adjacent parcels on either side, with its high point near the northeast comer. The land slopes to the northeast, southeast and southwest from this point. Existing grade level rises 28* from the southeast comer of Lot I to the high point at the rear. The existing home in Sugar Woods directly behind Lot 1 is at or slightly above the highest elevation on Lot 1. Proposed walkout floor elevation for the Northeast Building is 1012’ or about 12’ below the high point of t^hill. First story floor elevation will be about 2’ below the crest of the hill, but due to the norther jterly slope, the 48’ wide north facade of NE Building will expose 2 levels of windows and a roof system to residential properties to the north and east. The latest plan has moved the NE building away from the north lot line to decrease the visual impacts on Sugarwoods. The original NE and SE buildings would have exposed 2 levels and a partial half story to the Senior Housing building to the east. The result would have been visually a 270’ long fa9ade located 3S’ from the east lot line and about 90 ’ from the senior housing end units. As a result of plan revisions, the NE and SE buildings will each have only 3 units, reducing the impact of those buildings to a maximum combined facade length of 200'. The grade at the walkout level of NE and SE will be about 8’ above the grade level adjacent to the Senior Housing building. Parking and Drivinn Lane Grades. At the south end of SE building, a retaining wall 3-4’ high will be needed along the north side of the service drive, due to the grade needed to gain access to the site from the Senior Housing Highway 12 access. As viewed from Highway 12, the south end of the property will include a grassy slope, parking stalls, the ser> ice road, the retaining wall, and the 48’ wide 2-level fa9ade with windows. Applicant has had discussions with the City Engineer and Public Services Director regarding the grades for the service road and parking areas. The grades recommended by the City Engineer provide challenges for designing the walkout concept proposed. Applicants have indicated that they will accept the ‘approval of the City Engineer’ as a condition of approval. A revised grading plan has been submitt^ which has been reviewed by the City Engineer and appears to generally meet his recommendations.